Table 2

Kinetic constants for triose phosphate isomerases (TPI) from 12 different organisms with glyceraldehyde-3-phosphate as substrate

Organism
Km (mM)*
kcat (105 min-1)
kcat/Km (107 M-1s-1)
SwissProt ID Sequence identity to 1r2rA
Conditions, Reference

Trypanosoma brucei
0.46 (0.25–0.46)
3.1 (2.6–3.7)
1.120
TPIS_TRYBB 53%
20°C, 100 mM, pH 7.4 [56]
Trypanosoma cruzi
0.45
2.7
1.000
TPIS_TRYCR 53%
20°C, 100 mM, pH 7.4 [57]
Oryctolagus cuniculus muscle
0.43 (0.32–0.43)
1.86 (1.9–5.1)
0.721
TPIS_RABIT 100%
30°C, 50 mM, pH 7.6 [56]
Gallus gallus muscle
0.47
2.56
0.915
TPIS_CHICK 89%
30°C, 100 mM, pH 7.4 [58]
Saccharomyces cerevisiae
1.22 (0.62–1.5)
7.9 (1.4–10))
1.080
TPIS_YEAST 52%
25°C, 100 mM, pH 7.6 [59]
Leishmania mexicana
0.41 (0.30–0.41)
2.52 (4.3–2.5)
1.020
TPIS_LEIME 52%
25°C, 100 mM, pH 7.6 [60]
Plasmodium falciparum
0.35
2.68
1.280
TPIS_PLAFA 42%
30°C, 50 mM, pH 7.9 [56]
Vibrio marinus
1.9
4.2
0.368 (0.515)#
TPIS_VIBMA 41%
10°C, 100 mM, pH 7.6 [61]
Escherichia coli
1.03
5.4
0.874
TPIS_ECOLI 45%
25°C, 100 mM, pH 7.6 [61]
Homo Sapiens
0.49
2.7
0.918
TPIS_HUMAN 98%
25°C, 100 mM, pH 7.6 [62]
Giardia lamblia
0.53
2.9
0.912
TPI1_GIALA 45%
25°C, 100 mM, pH 7.4 [63]
Spinacia oleracea
0.68
2.7
0.662
TPIC_SPIOL 60%
25°C, 100 mM, pH 7.5 [64]

* The range of values extracted from BRENDA is given in brackets.

# The value after correction to 25°C obtained by multiplying by 1.4 (the ratio of water viscosity at 10°C compared to 25°C).

Gabdoulline et al. BMC Bioinformatics 2007 8:373   doi:10.1186/1471-2105-8-373

Open Data